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Computing Requirements for 2003/2004 |
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All numbers are rounded off to the highest value ...
Au+Au 200 Production Central |
Min |
Max |
Expected Average |
DAQ 100 (25%) |
1 event |
85sec |
115sec |
100 sec |
75 sec |
1 M event |
24k CPU hour |
32 k CPU hours |
17 k CPU hours |
13 k CPU hours |
Full RCF farm (150 nodes, 2 slots) |
80 CPU hours |
100 CPU hour |
90 CPU hour |
67 CPU hours |
|
3.3 days |
4.4 days |
3.75 days |
2.8 days |
Extrapolation to 100 Million |
327 days |
444 days |
375 days |
281 days |
80% efficiency |
|
555 days |
470 days |
352 days |
1.2 passes |
|
|
564 days |
422 days |
Au+Au 200 Minimum Bias |
Min |
Max |
Expected Average |
DAQ 100 (25%) |
1 event |
32 sec |
50 sec |
45 sec |
34 days |
1 M event |
9 k CPU hour |
14 k CPU hour |
12 k CPU hour |
9.5 k CPU hour |
Full RCF farm (150 nodes, 2 slots) |
30 CPU hour |
46 CPU hour |
42 CPU hour |
32 CPU hours |
|
1.3 days |
2 days |
1.8 days |
1.4 days |
Extrapolation to 100 Million |
124 days |
193 days |
174 days |
131 days |
80% efficiency |
155 days |
242 days |
217 days |
164 days |
1.2 passes |
|
|
261 days |
200 days |
Trigger |
Number of events |
Number of files |
File size (event.root) |
File size (MuDst) |
Size Reduction |
---|---|---|---|---|---|
Production Central |
5947652 - 4820422 |
52095 - 64660 |
11025295929369 |
1965191677238 |
5.6 |
ProductionMinBias |
6730183 - 4702240 |
37978 - 260363 |
5491914864037 |
338633519852 |
16.2 |
MinBiasVertex |
4695384 - 2509288 |
32145 - 16215 |
2814369742750 |
423371157481 |
6.64 |
|
50 M central |
175 M minbias |
Total if requested |
---|---|---|---|
No DAQ100 processing time |
282 days ~ 9 ½ month |
456 days = 1 year and 3 months |
738 days ~ 2 years |
DAQ100 processing time |
211 days ~ 7 month |
350 days ~ 1 year |
561 days ~ 1 ½ year |
Total storage Size of event.root |
105 TB |
129 TB |
234 TB |
Total storage Size of MuDst.root |
~ 18 TB |
~ 18 TB (factor 7 used) |
~ 36 TB |
Number of files estimated (MuDst) |
½ a million files |
1 Million |
1 ½ Million |
Total estimation (data management) |
2 ½ Million files |
5 Million files |
7 ½ Million |
Implies :
ICC, 20% gain ??
Other facilities ...